MESON Chess Problem Database
Problem Display
PID: 30488 (1RN5/N2b4/1PR4r/kPp5/P7/Q7/8/2Kn4 w - - 0 1)
Knoppel, Jan Heribert
22nd Place, 01. WCCT, 1972-1975
#3
9 + 5
| 273 | Mat Plus | 1994 |
SOLUTION
- SOUND
- Sets
- 1...Rh5
- 2.Sd6
- threat
- 3.Sc4#
- 3.Sb7#
- threat
- 2.Sd6
- 1...Rxc6
- 2.Ra8
- threat
- 3.Sxc6#
- 2...Rxb6
- 3.Sc6#
- 2...Rxc8
- 3.Sxc8#
- 2...Bxc8
- 3.Sxc8#
- 2...Rd6
- 3.Sc6#
- 2...Re6
- 3.Sc6#
- 2...Rf6
- 3.Sc6#
- 2...Rg6
- 3.Sc6#
- 2...Rh6
- 3.Sc6#
- 2...Rc7
- 3.Sc6#
- threat
- 2.Ra8
- 1...Rd6
- 2.Sxd6
- threat
- 3.Sc4#
- 3.Sb7#
- threat
- 2.Sxd6
- 1...Rh8
- 2.Sd6
- threat
- 3.Sc4#
- 3.Sb7#
- threat
- 2.Sd6
- 1...Bxc6
- 2.Sxc6+
- 2...Rxc6
- 3.Ra8#
- 2...Rxc6
- 2.Sxc6+
- 1...c4
- 2.Rxc4
- threat
- 3.Qb4#
- 2...Bxb5
- 3.axb5#
- threat
- 2.Rxc4
- 1...Rh5
- Tries
- 1.Sd6?
- threat
- 2.Sc4#
- 2.Sb7#
- 1...Bxc6
- 2.Sc4#
- 2.Sxc6#
- 1...Rh4
- 2.Sb7#
- 1...Be6
- 2.Sb7#
- 1...Bc8
- 2.Sc4#
- 1...Sb2
- 2.Sb7#
- 1...Se3
- 2.Sb7#
- 1...c4
- 2.Sxc4#
- 2.Sb7#
- 1...Rxd6!
- threat
- 1.Rc7?
- threat
- 2.Sc6+
- 2...Rxc6
- 3.Ra7#
- 3.Ra8#
- 2...Bxc6
- 3.Ra7#
- 2...Rxc6
- 2.Ra8
- threat
- 3.Sc6#
- 2...Bxc8
- 3.Sxc8#
- 2...Rc6
- 3.Sxc6#
- 2...Bc6
- 3.Sxc6#
- threat
- 2.Sc6+
- 1...Rxb6
- 2.Sxb6
- threat
- 3.Sc4#
- 2...Bxb5
- 3.axb5#
- 2...Be6
- 3.Sc6#
- 2...Sb2
- 3.Qc3#
- 2...Se3
- 3.Qc3#
- 2...c4
- 3.Sxc4#
- threat
- 2.Sxb6
- 1...Rh1
- 2.Sc6+
- 2...Bxc6
- 3.Ra7#
- 2...Bxc6
- 2.Sc6+
- 1...Rh2
- 2.Sc6+
- 2...Bxc6
- 3.Ra7#
- 2...Bxc6
- 2.Sc6+
- 1...Rh3
- 2.Sc6+
- 2...Bxc6
- 3.Ra7#
- 2...Bxc6
- 2.Sc6+
- 1...Rh4
- 2.Sc6+
- 2...Bxc6
- 3.Ra7#
- 2...Bxc6
- 2.Sc6+
- 1...Rh5
- 2.Sc6+
- 2...Bxc6
- 3.Ra7#
- 2...Bxc6
- 2.Ra8
- threat
- 3.Sc6#
- 2...Bxc8
- 3.Sxc8#
- 2...Bc6
- 3.Sxc6#
- threat
- 2.Sc6+
- 1...Rc6
- 2.Sxc6+
- 2...Bxc6
- 3.Ra7#
- 2...Bxc6
- 2.Ra8
- threat
- 3.Sxc6#
- 2...Rxb6
- 3.Sc6#
- 2...Rxc7
- 3.Sc6#
- 2...Bxc8
- 3.Sxc8#
- 2...Rd6
- 3.Sc6#
- 2...Re6
- 3.Sc6#
- 2...Rf6
- 3.Sc6#
- 2...Rg6
- 3.Sc6#
- 2...Rh6
- 3.Sc6#
- threat
- 2.Sxc6+
- 1...Rd6
- 2.Sc6+
- 2...Rxc6
- 3.Ra7#
- 3.Ra8#
- 2...Bxc6
- 3.Ra7#
- 2...Rxc6
- 2.Ra8
- threat
- 3.Sc6#
- 2...Bxc8
- 3.Sxc8#
- 2...Rc6
- 3.Sxc6#
- 2...Bc6
- 3.Sxc6#
- threat
- 2.Sc6+
- 1...Re6
- 2.Sc6+
- 2...Rxc6
- 3.Ra7#
- 3.Ra8#
- 2...Bxc6
- 3.Ra7#
- 2...Rxc6
- 2.Ra8
- threat
- 3.Sc6#
- 2...Bxc8
- 3.Sxc8#
- 2...Rc6
- 3.Sxc6#
- 2...Bc6
- 3.Sxc6#
- threat
- 2.Sc6+
- 1...Rf6
- 2.Sc6+
- 2...Rxc6
- 3.Ra7#
- 3.Ra8#
- 2...Bxc6
- 3.Ra7#
- 2...Rxc6
- 2.Ra8
- threat
- 3.Sc6#
- 2...Bxc8
- 3.Sxc8#
- 2...Rc6
- 3.Sxc6#
- 2...Bc6
- 3.Sxc6#
- threat
- 2.Sc6+
- 1...Rg6
- 2.Sc6+
- 2...Rxc6
- 3.Ra7#
- 3.Ra8#
- 2...Bxc6
- 3.Ra7#
- 2...Rxc6
- 2.Ra8
- threat
- 3.Sc6#
- 2...Bxc8
- 3.Sxc8#
- 2...Rc6
- 3.Sxc6#
- 2...Bc6
- 3.Sxc6#
- threat
- 2.Sc6+
- 1...Rh7
- 2.Ra8
- threat
- 3.Sc6#
- 2...Bxc8
- 3.Sxc8#
- 2...Bc6
- 3.Sxc6#
- threat
- 2.Ra8
- 1...Rh8
- 2.Sc6+
- 2...Bxc6
- 3.Ra7#
- 2...Bxc6
- 2.Ra8
- threat
- 3.Sc6#
- 2...Rxc8
- 3.Sxc8#
- 2...Bxc8
- 3.Sxc8#
- 2...Bc6
- 3.Sxc6#
- threat
- 2.Sc6+
- 1...Bh3
- 2.Sc6+
- 2...Rxc6
- 3.Ra7#
- 3.Ra8#
- 2...Rxc6
- 2.Ra8
- threat
- 3.Sc6#
- 2...Bxc8
- 3.Sxc8#
- 2...Rc6
- 3.Sxc6#
- threat
- 2.Sc6+
- 1...Bg4
- 2.Sc6+
- 2...Rxc6
- 3.Ra7#
- 3.Ra8#
- 2...Rxc6
- 2.Ra8
- threat
- 3.Sc6#
- 2...Bxc8
- 3.Sxc8#
- 2...Rc6
- 3.Sxc6#
- threat
- 2.Sc6+
- 1...Bf5
- 2.Sc6+
- 2...Rxc6
- 3.Ra7#
- 3.Ra8#
- 2...Rxc6
- 2.Ra8
- threat
- 3.Sc6#
- 2...Bxc8
- 3.Sxc8#
- 2...Rc6
- 3.Sxc6#
- threat
- 2.Sc6+
- 1...Bc6
- 2.Sxc6+
- 2...Rxc6
- 3.Ra7#
- 3.Ra8#
- 2...Rxc6
- 2.Sxc6+
- 1...Be8
- 2.Sc6+
- 2...Rxc6
- 3.Ra7#
- 3.Ra8#
- 2...Bxc6
- 3.Ra7#
- 2...Rxc6
- 2.Ra8
- threat
- 3.Sc6#
- 2...Rc6
- 3.Sxc6#
- 2...Bc6
- 3.Sxc6#
- threat
- 2.Sc6+
- 1...Sb2
- 2.Sc6+
- 2...Rxc6
- 3.Ra7#
- 3.Ra8#
- 2...Bxc6
- 3.Ra7#
- 2...Rxc6
- 2.Sc6+
- 1...Sf2
- 2.Sc6+
- 2...Rxc6
- 3.Ra7#
- 3.Ra8#
- 2...Bxc6
- 3.Ra7#
- 2...Rxc6
- 2.Sc6+
- 1...Sc3
- 2.Sc6+
- 2...Rxc6
- 3.Ra7#
- 3.Ra8#
- 2...Bxc6
- 3.Ra7#
- 2...Rxc6
- 2.Sc6+
- 1...Se3
- 2.Sc6+
- 2...Rxc6
- 3.Ra7#
- 3.Ra8#
- 2...Bxc6
- 3.Ra7#
- 2...Rxc6
- 2.Sc6+
- 1...Bxc8!
- threat
- 1.Sd6?
- Keys
- 1.b7!
- threat
- 2.Rxh6
- threat
- 3.Ra6#
- 2...Bxb5
- 3.axb5#
- 2...Bc6
- 3.Sxc6#
- 2...Be6
- 3.Sc6#
- threat
- 2.Rxh6
- 1...Rxc6
- 2.Sxc6+
- 2...Bxc6
- 3.Ra8#
- 2...Bxc6
- 2.Sxc6+
- 1...Bxc6
- 2.Ra8
- threat
- 3.Sxc6#
- 2...Bxb5
- 3.Sc6#
- 3.axb5#
- 2...Bxb7
- 3.Sc6#
- 2...Bh1
- 3.Sc6#
- 2...Bg2
- 3.Sc6#
- 2...Bf3
- 3.Sc6#
- 2...Be4
- 3.Sc6#
- 2...Bd5
- 3.Sc6#
- 2...Bd7
- 3.Sc6#
- 2...Be8
- 3.Sc6#
- threat
- 2.Ra8
- 1...Bxc8
- 2.bxc8Q
- threat
- 3.Qa6#
- 3.Qc7#
- 3.Qd8#
- 2...Rxc6
- 3.Sxc6#
- threat
- 2.bxc8Q
- 1...Rd6
- 2.Sxd6
- threat
- 3.Sc4#
- 3.Ra6#
- threat
- 2.Rxd6
- threat
- 3.Ra6#
- 2...Bxb5
- 3.axb5#
- 2...Bc6
- 3.Sxc6#
- threat
- 2.Sxd6
- 1...Re6
- 2.Rxe6
- threat
- 3.Ra6#
- 2...Bxb5
- 3.axb5#
- 2...Bxe6
- 3.Sc6#
- 2...Bc6
- 3.Sxc6#
- threat
- 2.Rxe6
- 1...Rf6
- 2.Rxf6
- threat
- 3.Ra6#
- 2...Bxb5
- 3.axb5#
- 2...Bc6
- 3.Sxc6#
- 2...Be6
- 3.Sc6#
- threat
- 2.Rxf6
- 1...Rg6
- 2.Rxg6
- threat
- 3.Ra6#
- 2...Bxb5
- 3.axb5#
- 2...Bc6
- 3.Sxc6#
- 2...Be6
- 3.Sc6#
- threat
- 2.Rxg6
- 1...Bh3
- 2.Rxh6
- threat
- 3.Sc6#
- 3.Ra6#
- threat
- 2.Rxh6
- 1...Bg4
- 2.Rxh6
- threat
- 3.Sc6#
- 3.Ra6#
- threat
- 2.Rxh6
- 1...Bf5
- 2.Rxh6
- threat
- 3.Sc6#
- 3.Ra6#
- threat
- 2.Rxh6
- 1...Be8
- 2.Rxh6
- threat
- 3.Ra6#
- 2...Bxb5
- 3.axb5#
- 2...Bc6
- 3.Sxc6#
- 2...Bg6
- 3.Sc6#
- threat
- 2.Rxh6
- 1...Sb2
- 2.Qc3+
- 2...Kxa4
- 3.Sb6#
- 2...Kxa4
- 2.Qc3+
- 1...Sf2
- 2.Qc3+
- 2...Kxa4
- 3.Sb6#
- 2...Kxa4
- 2.Qc3+
- 1...Sc3
- 2.Qxc3+
- 2...Kxa4
- 3.Sb6#
- 2...Kxa4
- 2.Qxc3+
- threat
- 1.b7!
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